General

  • Target

    4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef

  • Size

    1.7MB

  • Sample

    240507-2rvfbscd5w

  • MD5

    9cfb4f803076a321d61e8493374be103

  • SHA1

    f3e4007305eb66b412e0ef8e1999f780f2abaf44

  • SHA256

    4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef

  • SHA512

    13d942f1e0c7c3368aabff5cdbb30a6a6ec75cee8e31a25d3e1c531d0e3029c0f44c27ac36a2b959bc62040b1e1133d25f9d62c74974d5acff4a96b45e0b7265

  • SSDEEP

    24576:JXeFlzFIx2oCfkVhhm5iCHtT2pcv3MbpcwGu+vLQ6goB+R9rS5777GaJb1f:JX2l3oYkVgxHOcvmAxv1/B+K57fGSZ

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://193.233.132.139

Attributes
  • install_dir

    5454e6f062

  • install_file

    explorta.exe

  • strings_key

    c7a869c5ba1d72480093ec207994e2bf

  • url_paths

    /sev56rkm/index.php

rc4.plain

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

redline

Botnet

Test1234

C2

185.215.113.67:26260

Extracted

Family

stealc

C2

http://49.13.229.86

Attributes
  • url_path

    /c73eed764cc59dcb.php

Extracted

Family

redline

Botnet

@CLOUDYTTEAM

C2

185.172.128.33:8970

Extracted

Family

redline

Botnet

newpub

C2

185.215.113.67:26260

Targets

    • Target

      4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef

    • Size

      1.7MB

    • MD5

      9cfb4f803076a321d61e8493374be103

    • SHA1

      f3e4007305eb66b412e0ef8e1999f780f2abaf44

    • SHA256

      4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef

    • SHA512

      13d942f1e0c7c3368aabff5cdbb30a6a6ec75cee8e31a25d3e1c531d0e3029c0f44c27ac36a2b959bc62040b1e1133d25f9d62c74974d5acff4a96b45e0b7265

    • SSDEEP

      24576:JXeFlzFIx2oCfkVhhm5iCHtT2pcv3MbpcwGu+vLQ6goB+R9rS5777GaJb1f:JX2l3oYkVgxHOcvmAxv1/B+K57fGSZ

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • XMRig Miner payload

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks